15=2pir

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Solution for 15=2pir equation:


Simplifying
15 = 2pir

Solving
15 = 2ipr

Solving for variable 'i'.

Move all terms containing i to the left, all other terms to the right.

Add '-2ipr' to each side of the equation.
15 + -2ipr = 2ipr + -2ipr

Combine like terms: 2ipr + -2ipr = 0
15 + -2ipr = 0

Add '-15' to each side of the equation.
15 + -15 + -2ipr = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -2ipr = 0 + -15
-2ipr = 0 + -15

Combine like terms: 0 + -15 = -15
-2ipr = -15

Divide each side by '-2pr'.
i = 7.5p-1r-1

Simplifying
i = 7.5p-1r-1

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